#include <stdio.h>
#include <math.h>

double returnWindChill(double velocity, double temperature) {
    return 13.12 + 0.6215 * temperature - 11.37 * pow(velocity, 0.16) +
    0.3965 * temperature * pow(velocity, 0.16);
}

int main() {
    double temperature, velocity;
    scanf("%lf%lf", &velocity, &temperature);
    // 还是要注意不要忘记地址符号&
    printf("%.0lf", returnWindChill(velocity, temperature));
}